Event between (47932) 00GN171 and star GA0580:14497961 with event index number of 2314865
Geocentric closest approach at 2024/09/18 19:59:01 UTC
J2000 position of star is 17:00:52.4 -31:26:16
Equinox of date position of star is 17:02:26.9 -31:28:20
Stellar brightness G=15.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 109 degrees from the moon.
Moon is 99% illuminated.
Apparent brightness V=21.2
Object is 29.7 AU from the Sun
and 29.8 AU from the Earth.
Apparent velocity is 11.6
km/sec on the sky relative to the star, or,
1.9 arcsec/hr.
The 1-sigma error in the time of the event is 380 seconds.
The 1-sigma cross-track error in the shadow position is
1514 km.
The object has an absolute magnitude Hv=6.3
Diameter=346.7 km assuming a 5% albedo -- 28.8 sec chord
Diameter=141.6 km assuming a 30% albedo -- 11.8 sec chord
Dynamical classification is 3:2E
Star training set for 47932, (2024/09/18 19:59UT) Object RA Dec mag sep mel Antares 16:30:55.6 -26:29:05 0.9 8.51 117 26Eps Sco 16:51:46.3 -34:20:08 2.3 3.64 111 PPM 295807 17:03:28.8 -32:10:40 5.0 0.74 109 PPM 295758 17:01:26.8 -31:44:42 8.4 0.35 109 PPM 295783 17:02:44.0 -31:29:14 9.7 0.06 109 47932 17:02:28.0 -31:28:21 15.6 109 Positions are for equinox of date
Azimuth is measured in degrees eastward from north. North is at an azimuth of 0, due East is at an azimuth of 90 degrees, due South is 180, and due West is 270.
Do not use the listing below for the RECON CPC 1100 telescopes. This is provided for other non-team facilities.
Star training set for 47932, (2024/09/18 19:59UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 8.51 117 26Eps Sco 16:50:08.8 -34:17:41 2.3 3.64 111 PPM 295807 17:01:52.6 -32:08:38 5.0 0.74 109 PPM 295758 16:59:51.1 -31:42:35 8.4 0.35 109 PPM 295783 17:01:08.4 -31:27:10 9.7 0.06 109 47932 17:00:52.4 -31:26:16 15.6 109 Positions are for J2000
Event circumstances last updated at 2024/06/11 03:50:30 UT
Marc W. Buie, Southwest Research Institute